Condition for fault identification

Test condition:

The fault is recognized when the voltage of an oxygen sensor behind catalytic converter is greater than 0.669 V while the voltage of the other oxygen sensor is simultaneously less than 0.2 V.

Potential problem source(s):

• Oxygen sensors behind catalytic converter interchanged.

  Terminal condition: none

  Voltage condition:

• None

  Temperature condition:

• Engine temperature > 85 °C

  Time condition:

• None

  Other conditions:

• Engine on